Subj : Re: how to know what 'fork()'ed and/or threads are running for a process
To   : comp.os.linux,comp.os.linux.misc
From : Juhan Leemet
Date : Fri Jul 30 2004 06:13 pm

On Fri, 30 Jul 2004 10:30:32 +1000, Steve wrote:
> I have a process running on a dual processor machine. It basically 
> forks() itself and launches another process, which is basically run in 
> parallel on the second processor to utilize the two processors. I also 
> have another process that does the same thing using light-weight 
> processes (threads - pthread). How can I tell what  'slave' processes 
> belong to what 'master' process in the first case where I fork() another 
> process, as well as the second case where I have another thread spawned. 
> Is there something similar to the 'ps' command which can tell me such 
> info? I am running Redhat 9.0. Thanks

Well, ps (with options) can show you PID and PPID (parent process ID).

Do you have pstree? That shows processes in a tree form. BTW, I don't know
about lwp or threads, but I guess there are option switches (on ps anyway).

-- 
Juhan Leemet
Logicognosis, Inc.

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